ADJUSTABLE LEVELING CHOCK
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United States of America Patent
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Issued Date -
Feb 9, 2023
app pub date -
Aug 1, 2022
filing date -
Aug 1, 2022
priority date (Note) -
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Abstract
An adjustable chock is provided with a first component having screw threads, a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. At least one of the lower bearing surface of the second component and the upper bearing surface of the bearing element is provided with a coating having a coefficient friction higher than that of the associated bearing surface.
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